25402020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2001

約数の個数: 96

約数和(自身を含む): 83951616

約数和(自身を除く): 58549596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 1951, 2170, 2604, 3255, 3902, 4340, 5853, 6510, 7804, 9755, 11706, 13020, 13657, 19510, 23412, 27314, 29265, 39020, 40971, 54628, 58530, 60481, 68285, 81942, 117060, 120962, 136570, 163884, 181443, 204855, 241924, 273140, 302405, 362886, 409710, 423367, 604810, 725772, 819420, 846734, 907215, 1209620, 1270101, 1693468, 1814430, 2116835, 2540202, 3628860, 4233670, 5080404, 6350505, 8467340, 12701010, 25402020]

約数ペア:

[(1, 25402020), (2, 12701010), (3, 8467340), (4, 6350505), (5, 5080404), (6, 4233670), (7, 3628860), (10, 2540202), (12, 2116835), (14, 1814430), (15, 1693468), (20, 1270101), (21, 1209620), (28, 907215), (30, 846734), (31, 819420), (35, 725772), (42, 604810), (60, 423367), (62, 409710), (70, 362886), (84, 302405), (93, 273140), (105, 241924), (124, 204855), (140, 181443), (155, 163884), (186, 136570), (210, 120962), (217, 117060), (310, 81942), (372, 68285), (420, 60481), (434, 58530), (465, 54628), (620, 40971), (651, 39020), (868, 29265), (930, 27314), (1085, 23412), (1302, 19510), (1860, 13657), (1951, 13020), (2170, 11706), (2604, 9755), (3255, 7804), (3902, 6510), (4340, 5853)]